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Lelechka [254]
3 years ago
9

Use the graph to write an equation y = acos[b(x – h)] + k to model the situation.

Mathematics
2 answers:
N76 [4]3 years ago
5 0

Answer:

vertical shift (k) is 50

Horizontal shift (h) is -1

Step-by-step explanation:

inna [77]3 years ago
3 0

Answer:The amplitude:30

so a:-30

the period is:12

so b: pi/6

Step-by-step explanation:

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ABC company’s stock dropped from 25 3/8 to 22 1/4 during a one month period of time.. How much did ABC’s stock fall during this
Gwar [14]
We are given with two numerics in a mixed fraction form and is asked for the difference between the two. in this case, we subtract first the whole numbers: 25-22 equal to 3. Then convert the two fractions to similar fractions. the difference is 1/8. Hence the answer is 3 1/8
3 0
3 years ago
he table gives the probability distribution of the number of books sold in a day at a bookstore. What is the probability of 16 o
Pepsi [2]
16 or more books sold in a day will include two intervals from the given table:

a) 16 - 20 books sold.
Probability = 0.201

b) 21 - 25 books sold.
Probability = ?

Since the table gives the probability distribution, the sum of all the probabilities must be equal to 1. We are given the probabilities of 4 out 5 intervals. So in order to find the probability of the 5th interval (21-25) we can subtract the sum of probabilities of rest of the intervals from 1.
So, P(21 - 25) = 0.019

In order to find the probability of 16 or more books sold we need to sum the probabilities of both these intervals.

So, the probability of 16 or more books being sold on a given day = 0.201 + 0.019 = 0.220
4 0
3 years ago
!!!!!1ILL GIVE 25 POINTS AND BRAINLIEST JUST PLEASE B((((((((((((((!!!!!
Aleks04 [339]

Answer:

C

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Rich measured the height of a desk to be 80.7 cm. The actual height of the desk is 80 cm. What is Rich's percent error in this c
Hitman42 [59]

Answer:

0.9%

Step-by-step explanation:

We have been given that Rich measured the height of a desk to be 80.7 cm. The actual height of the desk is 80 cm.

We will use percentage error formula to solve our given problem.

\text{Percentage error}=\frac{\text{Experimental value-Actual value }}{\text{Actual actual}}\times 100

\text{Percentage error}=\frac{80.7-80}{80}\times 100

\text{Percentage error}=\frac{0.7}{80}\times 100

\text{Percentage error}=0.00875\times 100

\text{Percentage error}=0.875\approx 0.9

Therefore, Rich's percent error in calculation is 0.9%.

5 0
3 years ago
Having a hard time with this can someone answer pls
larisa [96]

The values of angles are 140 and 20

• In plane geometry, a figure which is formed by joining of two lines that share a common point is called as the angle. The two lines or rays are called as the sides of the angle and the common point is called the vertex.

• In geometry there are types of angles such as complementary angles, supplementary angles, acute angle, obtuse angles. Complementary angles are the angles whose sum is equal to 90. Supplementary angles are the angles whose sum is equal to 180.

According to the question

We are given that one angle is -7x and the other angle is -2x

Using formula of supplementary angles

-7x + (-2x) = 180

-7x -2x = 180

-9x = 180

-x = 20

x = -20

The value of x is -20

The value of angle – 7x = -7(-20) = 140

The value of angle -2x = -2(-20) = 40

Learn more about angles here

brainly.com/question/25716982

#SPJ9

 

3 0
2 years ago
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